@article{mathsmt,
  title={The mathematics of statistical machine translation: Parameter estimation},
  author={Brown, Peter F and Pietra, Vincent J Della and Pietra, Stephen A Della and Mercer, Robert L},
  journal={Computational linguistics},
  volume={19},
  number={2},
  pages={263--311},
  year={1993},
  publisher={MIT Press}
}
@inproceedings{bleu,
  title={BLEU: a method for automatic evaluation of machine translation},
  author={Papineni, Kishore and Roukos, Salim and Ward, Todd and Zhu, Wei-Jing},
  booktitle={Proceedings of ACL},
  year={2002}
}
@inproceedings{spbt,
  title={Statistical phrase-based translation},
  author={Koehn, Philipp and Och, Franz Josef and Marcu, Daniel},
  booktitle={Proceedings of NAACL},
  year={2003}
}
@inproceedings{mrt4smt,
  title={Minimum error rate training in statistical machine translation},
  author={Och, Franz Josef},
  booktitle={Proceedings of ACL},
  year={2003}
}
@article{hpbt,
  title={Hierarchical phrase-based translation},
  author={Chiang, David},
  journal={computational linguistics},
  volume={33},
  number={2},
  pages={201--228},
  year={2007},
  publisher={MIT Press}
}
@inproceedings{seq2seq,
  title={Sequence to sequence learning with neural networks},
  author={Sutskever, Ilya and Vinyals, Oriol and Le, Quoc V},
  booktitle={Advances in neural information processing systems},
  year={2014}
}
@inproceedings{rnnsearch,
  author    = {Bahdanau, Dzmitry and Cho, KyungHyun and Bengio, Yoshua},
  title     = {Neural Machine Translation by Jointly Learning to Align and Translate},
  booktitle = {Proceedings of ICLR},
  year      = {2015}
}
@inproceedings{adam,
  author    = {Kingma, Diederik P. and Ba, Jimmy},
  title     = {Adam: A Method for Stochastic Optimization},
  booktitle = {Proceedings of ICLR},
  year      = {2015}
}
@InProceedings{bpe,
  author    = {Sennrich, Rico and Haddow, Barry and Birch, Alexandra},
  title     = {Neural Machine Translation of Rare Words with Subword Units},
  booktitle = {Proceedings of ACL},
  year      = {2016}
}
@inproceedings{transformer,
  title={Attention Is All You Need},
  author={Vaswani, Ashish and Shazeer, Noam and Parmar, Niki and Uszkoreit, Jakob and Jones, Llion and Gomez, Aidan N and Kaiser, Lukasz and Polosukhin, Illia},
  booktitle={Proceedings of NIPS},
  year={2017}
}